Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

68°F

20°C

Humidity 47%
Wind Speed SW 14 G 24 mph
Barometer 30.09 in (1019.0 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 29 Jan 12:56 pm CST
Extended Forecast for

Lockhart TX

Cold Weather Advisory January 31, 03:00am until January 31, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
  • This Afternoon

    This Afternoon: Sunny, with a high near 69. West wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 35. North wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 35 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 55. North wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 55 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 28. North wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 42. North northeast wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 42 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 20. North northeast wind around 5 mph becoming calm  in the evening.

    Low: 20 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 56. Calm wind becoming south around 5 mph in the afternoon.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33. South southwest wind around 5 mph becoming calm  in the evening.

    Low: 33 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 64. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 69. West wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 35. North wind 5 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 55. North wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 28. North wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 42. North northeast wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Clear, with a low around 20. North northeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 56. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 33. South southwest wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 64. Calm wind becoming south southeast around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 50.
Tuesday
Mostly cloudy, with a high near 71.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 50.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Lockhart TX
 29.88°N 97.68°W (Elev. 525 ft)
12:46 pm CST Jan 29, 2026
1pm CST Jan 29, 2026-6pm CST Feb 4, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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